diff --git a/kpatch-build/kpatch-build b/kpatch-build/kpatch-build
index ab70b0f..f0e089e 100755
--- a/kpatch-build/kpatch-build
+++ b/kpatch-build/kpatch-build
@@ -623,7 +623,7 @@ else
 			sublevel="SUBLEVEL ="
 		fi
 
-		pkgname="$(dpkg-query -W -f='${Source}' "linux-image-$ARCHVERSION")"
+		pkgname="$(dpkg-query -W -f='${Source}' "linux-image-$ARCHVERSION" | sed s/-signed//)"
 		pkgver="$(dpkg-query -W -f='${Version}' "linux-image-$ARCHVERSION")"
 		dscname="${pkgname}_${pkgver}.dsc"